| RK | LN | Name | Time | Gap | FINA | Q? |
|---|---|---|---|---|---|---|
| 1 | 2 | Tóth Emese (2014)Debreceni Aquasport | 00:42.74 | - | 168 | |
| 2 | 5 | Varga Lili (2015)Érdi Vízisport Kft | 00:46.35 | 00:03.61 | 132 | |
| 3 | 7 | Gervasio Liliana Ariela (2015)Darnyi Tamás SC | 00:48.29 | 00:05.55 | 116 | |
| 4 | 6 | Török Dorottya (2016)BVSC-Zugló | 00:54.71 | 00:11.97 | 80 | |
| 5 | 3 | Majsai Lili (2017)Érdi Vízisport Kft | 00:56.11 | 00:13.37 | 74 | |
| 6 | 4 | Szabó Emma (2016)BVSC-Zugló | 00:56.16 | 00:13.42 | 74 |